Java实战网上电子书城的实现流程

@Controller
@RequestMapping("/admin/book")
@RequiresPermissions("book-manage")
public class AdminBookController {
 
    @Autowired
    private IBookInfoService bookInfoService;
 
    @Autowired
    private BookDescMapper bookDescMapper;
 
    @Autowired
    private IStoreService storeService;
 
    @Value("${image.url.prefix}")
    private String urlPrefix;
 
    @RequestMapping("toAddition")
    @RequiresPermissions("book-add")
    public String toAddition() {
        return "admin/book/add";
    }
 
    /**
     * 添加书籍
     *
     */
    @RequestMapping("/addition")
    @RequiresPermissions("book-add")
    public String addBook(BookInfo bookInfo, String bookDesc, MultipartFile pictureFile, HttpServletRequest request) throws Exception {
 
        uploadPicture(bookInfo, pictureFile, request);
        bookInfoService.saveBook(bookInfo, bookDesc);
 
        return "redirect:/admin/book/list";
    }
 
    /**
     * 书籍列表
     *
     */
    @RequestMapping(value = "/list")
    @RequiresPermissions("book-query")
    public String bookList(@RequestParam(defaultValue = "", required = false) String keywords,
                           @RequestParam(value = "page", defaultValue = "1", required = false) int page,
                           HttpSession session,
                           Model model) {
        keywords = keywords.trim();
        Store store = (Store) session.getAttribute("loginStore");
 
        if (store != null) {
            PageInfo<BookInfo> books = bookInfoService.findBookListByCondition(keywords, 0, page, 10, store.getStoreId());
            model.addAttribute("bookPageInfo", books);
            model.addAttribute("keywords", keywords);
        } else {
            model.addAttribute("exception", "您请求的资源不存在");
            return "exception";
        }
 
        return "admin/book/list";
    }
 
    /**
     * 更新页面回显
     *
     * @param bookId
     * @param model
     * @return
     * @throws Exception
     */
    @RequestMapping("/echo")
    @RequiresPermissions("book-edit")
    public String echo(int bookId, Model model) throws BSException {
 
        BookInfo bookInfo = bookInfoService.adminFindById(bookId);
 
        BookDesc bookDesc = bookDescMapper.selectByPrimaryKey(bookInfo.getBookId());
 
        model.addAttribute("bookInfo", bookInfo);
 
        model.addAttribute("bookDesc", bookDesc);
 
        return "admin/book/edit";
    }
 
    @RequestMapping("/update")
    @RequiresPermissions("book-edit")
    public String updateBook(BookInfo bookInfo, String bookDesc, String keywords, MultipartFile pictureFile, HttpServletRequest request, RedirectAttributes ra) throws Exception {
        uploadPicture(bookInfo, pictureFile, request);
        BookInfo originBook = bookInfoService.findById(bookInfo.getBookId());
        bookInfoService.updateBook(bookInfo, bookDesc);
 
        //更新图片后，删除原来的图片
        String realPath = request.getServletContext().getRealPath("/");
        File uploadPic = new File(realPath + originBook.getImageUrl());
        uploadPic.delete();
        //重定向到书籍列表
        ra.addAttribute("keywords", keywords);
        return "redirect:/admin/book/list";
    }
 
    @RequestMapping("/deletion/{bookId}")
    @RequiresPermissions("book-delete")
    public String deletion(@PathVariable("bookId") int bookId, String keywords, RedirectAttributes ra, HttpServletRequest request) throws BSException {
        BookInfo bookInfo = bookInfoService.findById(bookId);
        String realPath = request.getServletContext().getRealPath("/");
        File uploadPic = new File(realPath + bookInfo.getImageUrl());
        uploadPic.delete();
        bookInfoService.deleteBook(bookId);
        ra.addAttribute("keywords", keywords);
        return "redirect:/admin/book/list";
    }
 
    @RequestMapping("/shelf")
    @RequiresPermissions("book-shelf")
    public String bookOffShelf(int bookId, int isShelf, String keywords, RedirectAttributes ra) {
 
        bookInfoService.changeShelfStatus(bookId, isShelf);
        ra.addAttribute("keywords", keywords);
        return "redirect:/admin/book/list";
    }
 
    private void uploadPicture(BookInfo bookInfo, MultipartFile pictureFile, HttpServletRequest request) throws IOException {
        if (pictureFile != null) {
            if (!StringUtils.isEmpty(pictureFile.getOriginalFilename())) {
                String realPath = request.getServletContext().getRealPath("/" + urlPrefix);
                //原始文件名称
                String pictureFileName = pictureFile.getOriginalFilename();
                //新文件名称
                String newFileName = IDUtils.genShortUUID() + pictureFileName.substring(pictureFileName.lastIndexOf("."));
 
                //上传图片
                File uploadPic = new File(realPath + File.separator + newFileName);
 
                //向磁盘写文件
                pictureFile.transferTo(uploadPic);
                bookInfo.setImageUrl(urlPrefix + File.separator + newFileName);
            }
        }
    }
 
}

@Controller
@RequestMapping("/book")
public class BookInfoController {
 
 
 
    @Autowired
    private IBookInfoService bookInfoService;
 
    @Autowired
    private BookDescMapper bookDescMapper;
 
    /**
     * 查询某一本书籍详情
     *
     * @param bookId
     * @param model
     * @return
     */
    @RequestMapping("/info/{bookId}")
    public String bookInfo(@PathVariable("bookId") Integer bookId, Model model) throws BSException {
        //查询书籍
        BookInfo bookInfo = bookInfoService.findById(bookId);
        //查询书籍推荐列表
        List<BookInfo> recommendBookList = bookInfoService.findBookListByCateId(bookInfo.getBookCategoryId(), 1, 5);
        //查询书籍详情
        BookDesc bookDesc = bookDescMapper.selectByPrimaryKey(bookId);
        //增加访问量
        bookInfoService.addLookMount(bookInfo);
        Collections.shuffle(recommendBookList);
        model.addAttribute("bookInfo", bookInfo);
        model.addAttribute("bookDesc", bookDesc);
        model.addAttribute("recommendBookList", recommendBookList);
        return "book_info";
    }
 
 
    /**
     * 通过关键字和书籍分类搜索书籍列表
     *
     * @param keywords
     * @return
     */
    @RequestMapping("/list")
    public String bookSearchList(@RequestParam(defaultValue = "", required = false) String keywords,
                                 @RequestParam(defaultValue = "0", required = false) int cateId,//分类Id，默认为0，即不按照分类Id查
                                 @RequestParam(defaultValue = "1", required = false) int page,
                                 @RequestParam(defaultValue = "6", required = false) int pageSize,
                                 Model model) {
        keywords = keywords.trim();
        PageInfo<BookInfo> bookPageInfo = bookInfoService.findBookListByCondition(keywords, cateId, page, pageSize,0);//storeId为0，不按照商店Id查询
 
        model.addAttribute("bookPageInfo", bookPageInfo);
 
        model.addAttribute("keywords", keywords);
 
        model.addAttribute("cateId", cateId);
 
        return "book_list";
    }
 
}

@Controller
@RequestMapping("/user")
public class UserController {
 
 
    @Autowired
    private IUserService userService;
 
    @Autowired
    private IMailService mailService;
 
    @Autowired
    private IStoreService storeService;
 
    @Value("${mail.fromMail.addr}")
    private String from;
 
    @Value("${my.ip}")
    private String ip;
 
    private final String USERNAME_PASSWORD_NOT_MATCH = "用户名或密码错误";
 
    private final String USERNAME_CANNOT_NULL = "用户名不能为空";
 
    @RequestMapping("/login")
    public String login(@RequestParam(value = "username", required = false) String username,
                        @RequestParam(value = "password", required = false) String password,
                        HttpServletRequest request, Model model) {
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password)) {
            return "login";
        }
        //未认证的用户
        Subject userSubject = SecurityUtils.getSubject();
        if (!userSubject.isAuthenticated()) {
            UsernamePasswordToken token = new UsernamePasswordToken(username, password);
 
            token.setRememberMe(false);//禁止记住我功能
            try {
 
                //登录成功
                userSubject.login(token);
                User loginUser = (User) userSubject.getPrincipal();
                request.getSession().setAttribute("loginUser", loginUser);
                Store store = storeService.findStoreByUserId(loginUser.getUserId());
                request.getSession().setAttribute("loginStore", store);
 
 
                SavedRequest savedRequest = WebUtils.getSavedRequest(request);
                String url = "/";
                if (savedRequest != null) {
                    url = savedRequest.getRequestUrl();
                    if(url.contains(request.getContextPath())){
                        url = url.replace(request.getContextPath(),"");
                    }
                }
                if(StringUtils.isEmpty(url) || url.equals("/favicon.ico")){
                    url = "/";
                }
 
                return "redirect:" + url;
 
            } catch (UnknownAccountException | IncorrectCredentialsException uae) {
                model.addAttribute("loginMsg", USERNAME_PASSWORD_NOT_MATCH);
                return "login";
            } catch (LockedAccountException lae) {
                model.addAttribute("loginMsg", "账户已被冻结！");
                return "login";
            } catch (AuthenticationException ae) {
                model.addAttribute("loginMsg", "登录失败！");
                return "login";
            }
 
        } else {
            //用户已经登录
            return "redirect:/index";
        }
 
    }
 
    @RequestMapping("/info")
    public String personInfo(){
        return "user_info";
    }
 
    /* @RequestMapping("/login1")
     public String login1(@RequestParam(value = "username", required = false) String username,
                          @RequestParam(value = "password", required = false) String password,
                          Model model, HttpServletRequest request) {
         if (StringUtils.isEmpty(username)) {
             model.addAttribute("loginMsg", USERNAME_CANNOT_NULL);
             return "login";
         }
         if (StringUtils.isEmpty(password)) {
             model.addAttribute("loginMsg", "密码不能为空");
             return "login";
         }
         BSResult<User> bsResult = userService.login(username, password);
         //登录校验失败
         if (bsResult.getData() == null) {
             model.addAttribute("loginMsg", bsResult.getMessage());
             return "login";
         }
         //登录校验成功，重定向到首页
         User user = bsResult.getData();
         //置密码为空
         user.setPassword("");
         request.getSession().setAttribute("user", user);
         return "redirect:/";
     }
     */
    //shiro框架帮我们注销
    @RequestMapping("/logout")
    @CacheEvict(cacheNames="authorizationCache",allEntries = true)
    public String logout() {
        SecurityUtils.getSubject().logout();
        return "redirect:/page/login";
    }
 
    /**
     * 注册 检验用户名是否存在
     *
     * @param username
     * @return
     */
    @RequestMapping("/checkUserExist")
    @ResponseBody
    public BSResult checkUserExist(String username) {
        if (StringUtils.isEmpty(username)) {
            return BSResultUtil.build(200, USERNAME_CANNOT_NULL, false);
        }
 
        return userService.checkUserExistByUsername(username);
    }
 
    /**
     * 注册，发激活邮箱
     *
     * @param user
     * @return
     */
    @RequestMapping("/register")
    public String register(User user, Model model) {
 
        BSResult isExist = checkUserExist(user.getUsername());
 
        //尽管前台页面已经用ajax判断用户名是否存在，
        // 为了防止用户不是点击前台按钮提交表单造成的错误，后台也需要判断
        if ((Boolean) isExist.getData()) {
        	user.setActive("1");
            BSResult bsResult = userService.saveUser(user);
            //获得未激活的用户
            User userNotActive = (User) bsResult.getData();
          /*  try {
                mailService.sendHtmlMail(user.getEmail(), "<dd书城>---用户激活---",
                        "<html><body><a href='http://"+ip+"/user/active?activeCode=" + userNotActive.getCode() + "'>亲爱的" + user.getUsername() +
                                "，请您点击此链接前往激活</a></body></html>");
            } catch (Exception e) {
                e.printStackTrace();
                model.addAttribute("registerError", "发送邮件异常！请检查您输入的邮箱地址是否正确。");
                return "fail";
            }*/
            model.addAttribute("username", user.getUsername());
            return "register_success";
        } else {
 
            //用户名已经存在，不能注册
            model.addAttribute("registerError", isExist.getMessage());
            return "register";
        }
 
    }
 
    @RequestMapping("/active")
    public String activeUser(String activeCode, Model model) {
        BSResult bsResult = userService.activeUser(activeCode);
        if (!StringUtils.isEmpty(bsResult.getData())) {
            model.addAttribute("username", bsResult.getData());
            return "active_success";
        } else {
            model.addAttribute("failMessage", bsResult.getMessage());
            return "fail";
        }
    }
 
    @RequestMapping("/update")
    @ResponseBody
    public BSResult updateUser(User user, HttpSession session){
        User loginUser = (User) session.getAttribute("loginUser");
        loginUser.setNickname(user.getNickname());
        loginUser.setLocation(user.getLocation());
        loginUser.setDetailAddress(user.getDetailAddress());
        loginUser.setGender(user.getGender());
        loginUser.setUpdated(new Date());
        loginUser.setPhone(user.getPhone());
        loginUser.setIdentity(user.getIdentity());
        loginUser.setPhone(user.getPhone());
        BSResult bsResult = userService.updateUser(loginUser);
        session.setAttribute("loginUser", loginUser);
        return bsResult;
    }
 
    @RequestMapping("/password/{userId}")
    @ResponseBody
    public BSResult changePassword(@PathVariable("userId") int userId,String oldPassword,String newPassword){
        if(StringUtils.isEmpty(oldPassword) || StringUtils.isEmpty(newPassword)){
            return BSResultUtil.build(400, "密码不能为空");
        }
        return userService.compareAndChange(userId,oldPassword,newPassword);
    }
 
}